ppc: Remove T2081QDS board and ARCH_T2081 support
[platform/kernel/u-boot.git] / board / freescale / t208xqds / ddr.c
index 3348971..56471b3 100644 (file)
@@ -1,14 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * Version 2 or later as published by the Free Software Foundation.
  */
 
 #include <common.h>
 #include <i2c.h>
 #include <hwconfig.h>
+#include <init.h>
+#include <log.h>
+#include <asm/global_data.h>
 #include <asm/mmu.h>
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
@@ -101,22 +101,26 @@ found:
        /* DHC_EN =1, ODT = 75 Ohm */
        popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
        popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
+
+       /* optimize cpo for erratum A-009942 */
+       popts->cpo_sample = 0x64;
 }
 
-phys_size_t initdram(int board_type)
+int dram_init(void)
 {
        phys_size_t dram_size;
 
 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
        puts("Initializing....using SPD\n");
        dram_size = fsl_ddr_sdram();
-
-       dram_size = setup_ddr_tlbs(dram_size / 0x100000);
-       dram_size *= 0x100000;
 #else
        /* DDR has been initialised by first stage boot loader */
        dram_size =  fsl_ddr_sdram_size();
 #endif
+       dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+       dram_size *= 0x100000;
+
+       gd->ram_size = dram_size;
 
-       return dram_size;
+       return 0;
 }